Umbral Mantle

Equipped creature has "{3}, {Q}: This creature gets +2/+2 until end of turn." ({Q} is the untap symbol.)
Equip {0}

Tarfire

Infernal Plunge

As an additional cost to cast this spell, sacrifice a creature.
Add {R}{R}{R}.

Knife

During your turn, equipped creature gets +1/+0 and has first strike.
{2}, Sacrifice this Equipment: Draw a card.
Equip {2}

Slaying Fire

Slaying Fire deals 3 damage to any target.
Adamant — If at least three red mana was spent to cast this spell, it deals 4 damage instead.

Tin Street Dodger

Haste
{R}: This creature can't be blocked this turn except by creatures with defender.

Racecourse Fury

Enchant land
Enchanted land has "{T}: Target creature gains haste until end of turn."

Goldvein Pick

Equipped creature gets +1/+1.
Whenever equipped creature deals combat damage to a player, create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")
Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Concealed Weapon

Equipped creature gets +3/+0.
Disguise {2}{R} (You may cast this card face down for {3} as a 2/2 creature with ward {2}. Turn it face up any time for its disguise cost.)
When this Equipment is turned face up, attach it to target creature you control.
Equip {1}{R}

Lightning Spear

Equipped creature gets +1/+0 and has trample.
{2}{R}, Sacrifice this Equipment: It deals 3 damage to any target.
Equip {1}

Coming In Hot

Target creature gets +1/+0 and gains first strike until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom.)

Blow Your House Down

Up to three target creatures can't block this turn. Destroy any of them that are Walls.

Shock Brigade

Menace (This creature can't be blocked except by two or more creatures.)
Mobilize 1 (Whenever this creature attacks, create a tapped and attacking 1/1 red Warrior creature token. Sacrifice it at the beginning of the next end step.)

Lightning Bolt

Lightning Bolt deals 3 damage to any target.

Makeshift Munitions

{1}, Sacrifice an artifact or creature: This enchantment deals 1 damage to any target.

Krenko's Command

Create two 1/1 red Goblin creature tokens.

Scorching Dragonfire

Scorching Dragonfire deals 3 damage to target creature or planeswalker. If that creature or planeswalker would die this turn, exile it instead.

Squee, Goblin Nabob

At the beginning of your upkeep, you may return this card from your graveyard to your hand.